Pa standards

PA Standards

• PA Standards

• 3.1.12.A Unifying Themes
• 3.4.10.A Physical Science, Chemistry and Physics
• 3.4.12.A Physical Science, Chemistry and Physics

Explain how Mendeleev arranged the elements in the periodic table.

• Explain how Mendeleev arranged the elements in the periodic table.

• Explain how elements are arranged in the modern periodic table.

• Determine how many protons, neutrons, and electrons an atom has, given its’ symbol, atomic number, and mass number

Why do we organize things?

• Why do we organize things?

• What are some examples of things that we organize?

• How do we organize things?

Boulder

• Boulder

• 600 mL beaker

• Balloon

• Pencil

• Stone

• Greensburg

• Pin

• Tree

• Sparkling Grape Juice Bottle

Period

• Period

• From left to right
• Reactivity and Conductivity change
• Less Metallic

• Group

• Similar Chemical Properties
• Ex. Group 18 - unreactive

Relate the organization of the periodic table to the arrangement of electrons within an atom.

• Relate the organization of the periodic table to the arrangement of electrons within an atom.

• Explain why some atoms gain or lose electrons to form ions.

Locate semiconductors, halogens, and noble gases in the periodic table.

• Locate semiconductors, halogens, and noble gases in the periodic table.

• Locate alkali metals, alkaline-earth metals, and transition metals in the periodic table.

• Relate an element’s chemical properties to the electron arrangement of its atoms.

• Describe how the abundance of isotopes affects an element’s average atomic mass.

Conductors

• Conductors

• Electricity
• Heat

• Ductile

• Malleable

• Most are Shiny

Poor Conductors

• Poor Conductors

• Electricity
• Heat

• Not Ductile

• Not Malleable

• Most not Shiny

Carbon

• Carbon

• Sugar
• Chlorophyll
• Gasoline
• Rubber Tires

Share properties with:

• Share properties with:

• Metals
• Nonmetals

• Can conduct electricity

• Only under certain conditions

• Main components of:

• Computer chips
• Electronic devices